How much B12 Do seniors need daily?

Recommended Vitamin B12 Dosage for Seniors
A recent study found that for seniors, a daily dose of 500 micrograms was efficient in reversing the signs of B12 deficiency. In general, experts recommend 2.5 micrograms of vitamin B12 per day for people over the age of 14.


How much vitamin B12 should elderly take?

Dosages for Older People

When you're in your 60s you should officially start getting blood tests to test for vitamin B12 deficiency. Around this age, you should be getting around 2.4 micrograms of B12 a day.

How much B12 does a 70 year old need?

With that in mind, let's go back to our initial question: how much vitamin B12 should a person over 65 take? Recent reports suggest that, along with a B12-rich diet, consuming 500 micrograms of B12 in the form of a supplement may help individuals over 65 maintain healthy vitamin B12 levels [2].


How much vitamin B12 should an 80 year old take?

You can get vitamin B12 through food sources like red meat, chicken, eggs, and dairy, but many seniors are deficient due to a poor diet, medications, or the simple effects of aging. The recommended vitamin B12 dosage is 2.5 mcg.

Which vitamin B12 is best for seniors?

B-Methylated-II is an excellent option for seniors who may have difficulty swallowing pills, and also have greater needs for folate and B12. Methylfolate and B12 are crucial cofactors in one-carbon metabolism and are both required for the breakdown of homocysteine and in neurological health.


How Much B 12 Should I Take Daily?



Is it OK to take 1000 mcg of B12 a day for seniors?

Recommended Vitamin B12 Dosage for Seniors

The proper vitamin B12 dosage for seniors depends on if they have underlying health conditions and how severe their deficiency is. In some cases, doctors may recommend high doses — more than 1,000 micrograms (mcg) per day.

Is it OK to take 1000 mcg of B12 a day?

There is no risk of an overdose when taking large amounts of vitamin B-12 such as 1000 mcg, because it is a water-soluble vitamin. Meaning the body will use the amount that it needs then the excess will be excreted through urine.

What are the symptoms of vitamin B12 deficiency in the elderly?

The most common signs of vitamin B12 deficiency in seniors include:
  • Fatigue.
  • Anemia.
  • Neuropathy.
  • Memory problems.
  • Walking difficulties.


How much B12 mg is too much?

Is taking high doses of B12 helpful or harmful? Since B12 is a water-soluble vitamin, it's generally considered safe, even at high doses. No Tolerable Upper Intake Level (UL) has been established for B12, due to its low level of toxicity.

Is vitamin B12 good for the elderly?

Vitamin B-12 is an important nutrient for older adults. Many older adults are unable to absorb vitamin B-12 from food sources. Additionally, older adults who consume little to no animal products are at an increased risk for deficiency. Consuming foods fortified with vitamin B-12 is important for older adults.

What medications should not be taken with B12?

As summarized in the table provided, vitamin B12 (cobalamin) absorption and utilization by the body can be compromised with the chronic use of certain medications which include: colchicine, chloramphenicol, ethanol, histamine 2 receptor antagonists (H2RA), metformin, and proton pump inhibitors (PPI).


What does low B12 feel like?

Constipation, diarrhea, loss of appetite, or gas. Nerve problems like numbness or tingling, muscle weakness, and problems walking. Vision loss. Mental problems like depression, memory loss, or behavioral changes.

What is the most common reason that vitamin B12 deficiency occurs in older adults?

So why does vitamin B12 deficiency particularly affect older adults? As people get older, their ability to absorb vitamin B12 decreases. This is because aging adults often develop problems with the acids and stomach enzymes needed to process the vitamin.

What happens if you take too much B12?

Your body absorbs only as much as it needs, and any excess passes through your urine. High doses of vitamin B-12, such as those used to treat a deficiency, might cause: Headache. Nausea and vomiting.


What happens if your B12 is too high?

In some people, high levels of B12 may cause gastrointestinal problems such as bloating and diarrhea. And if you have high blood pressure or poor cardiovascular health, having too much B12 may further complicate these issues. Pregnant and breastfeeding women may also need to be especially mindful of B12 levels.

Is 500 mcg of B12 per day too much?

There is no upper limit for vitamin B12, and most supplements provide between 500 mcg to 5,000 mcg of B12 daily to meet various nutritional needs [2].

When is the best time to take vitamin B12?

Vitamin B12

As a general rule of thumb, take your B vitamins in the morning or with a meal. Vitamin B12, for example, should definitely be taken in the morning. This is because it is important for energy metabolism, which may interrupt your sleep if taken at night.


Is 800 mcg B12 too much?

Don't worry about overdoing it -- there's no upper limit on B12, which means there's no evidence that high levels (up to 1,000 mcg) are harmful.

What food is highest in B12?

Good sources of vitamin B12
  • meat.
  • fish.
  • milk.
  • cheese.
  • eggs.
  • some fortified breakfast cereals.


What depletes B12?

There are a lot of other drugs that can impair vitamin B12 status; metformin (to treat diabetes), antibiotics, methotrexate (used in chemotherapy), colchicine (used to treat gout), anti-seizure medications (i.e. phenytoin, pirimidone), and a group of cholesterol-lowering drugs (i.e. cholestyramine).


Why do seniors need B12 shots?

Vitamin B12 deficiency is common among the elderly. Elderly people are particularly at risk of vitamin B12 deficiency because of the high prevalence of atrophic gastritis-associated food-cobalamin (vitamin B12) malabsorption, and the increasing prevalence of pernicious anaemia with advancing age.

What happens if you take 1000 mcg of B12?

A high-dose B complex supplement (with 1,000 mcg of B-12) hurt, rather than helped, people with type 1 or type 2 diabetes and advanced kidney disease, resulting in a worsening of kidney function and an increase in the risk of heart attack, stroke and death.

How often should you take vitamin B12 1000 mcg?

What does the latest research on B12 say? * Based on the new labeling that started January 1, 2020, the target is 4.5 mcg three times a day. If you're over 65 years of age, you should take at least 1,000 mcg (µg) cyanocobalamin every day.


Is 2.4 mcg the same as 1000 mcg?

A: 2.4mcg is only approximately 1/250th of 1000mcg.